What is the medium that sound waves travel through when a person speaks?

a. Air

c. Vocal cords

b. Your tongue

d. It does not use a medium

A 24-volt source is required to furnish 48 watts to a parallel circuit consisting of four resistors of equal value. What is the voltage drop across each resistor?

The first man to orbit the earth was a russian cosmonaut by the name of sergey korolyov yuri gagarin kerim kerimov.

What is the frequency of a wave that has a speed of 0.6 m/s and a wavelength of 0.020 meter?

Two carts with masses of 4kg and 3kg move toward each other on a frictionless track with speeds of 5.0m/s and 4.0 m/s respectively. The carts stick together after the colliding head on. Find the final speed of the carts.

What is the average speed of a soccer ball that travels 34m in 2s?

To verify that this expression for (vf) α has the correct units of velocity, you need to perform some unit analysis. begin by finding the equivalent of a volt in terms of basic si units.

Which of the following best describes transverse waves

What are the arrangement of resistors in series

A pilot flies horizontally at 1300 km/h, at height h! 35 m above initially level ground. However, at time t! 0, the pilot begins to fly over ground sloping upward at angle u! 4.3° (Fig. 2-38).

A helicopter flies 30 km 30 degrees north of east, drops of the supplies to a research team; it then heads 50 degrees north of west traveling 70 km to drop the supplies to a filming crew. What is the resultant displacement of the helicopter?